20774224

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1879}}^1$

素因数の和:2578

約数の個数: 20

約数和(自身を含む): 40329760

約数和(自身を除く): 19555536

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1879, 2764, 3758, 5528, 7516, 11056, 15032, 30064, 1298389, 2596778, 5193556, 10387112, 20774224]

約数ペア:

[(1, 20774224), (2, 10387112), (4, 5193556), (8, 2596778), (16, 1298389), (691, 30064), (1382, 15032), (1879, 11056), (2764, 7516), (3758, 5528)]